Following a precatory proposal from billionaire investor and Apple shareholder Carl Icahn urging Apple to vote on a larger buyback, Icahn today announced on Twitter that he thinks Apple “is doing great disservice to shareholders by not having markedly increased its buyback.” He also said that he would soon send Apple another in-depth letter regarding his proposals and confirmed that he has purchased another $500 million in Apple shares bringing his total investment to $3 billion. expand full story